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node-rd Examples and Code Snippets
create table Request_details
(
id varchar(11) not null,
request_submission_date datetime not null
)
create table request_status
(
task_date datetime not null,
task_name varchar(50) not null,
request_id varchar(11) not
library(rvest)
library(tidyverse)
library(RSelenium)
url <- "https://finviz.com/quote.ashx?t=A&ty=c&p=d&b=1"
# setup Selenium
# (this will start a firefox window; may be necessary to
# accept privacy preferences or similar
unknown@unknown-pi4:~$ sudo ps aux | grep ping
unkno+ 1402 0.0 0.1 311860 6376 ? Ssl 15:31 0:01 /usr/libexec/gsd-housekeeping
unknon+ 3716 0.0 0.0 9952 2108 pts/0 T 18:11 0:00 ping www.google.com
unknow+
arch/ABI instruction syscall # retval Notes
──────────────────────────────────────────────────────────────────
i386 int $0x80 eax eax
x86_64 syscall rax rax See below
arch/
import 'dart:async';
import 'dart:convert';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
void main() => runApp(MyApp());
class MyApp extends StatelessWidget
DECLARE @cols AS VARCHAR(MAX), @query AS VARCHAR(MAX)
SELECT @cols = STUFF((SELECT ',', QUOTENAME(FORMAT(review_date, 'dd-MMM-yyyy')) FROM Reviews WHERE reviewee = '9AA1D3BAE1E0A9FA27B4857992548665C252931263B4D407CA8BBF21DC08D800' FOR XM
// better to use some class like '.accordionLink' and check a link for it so other links with '#' will work as they should, without a conflict
$('a[href*="#"].accordionLink').click(function (e) {
e.preventDefault();
let desiredId
$ dig CNAME www.vladimir-markiev.name
; <<>> DiG 9.11.5-P4-5.1-Debian <<>> CNAME www.vladimir-markiev.name
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 608
import win32print, win32gui
from math import floor
def get_screen_dpi():
dc = win32gui.GetDC(0)
LOGPIXELSX, LOGPIXELSY = 88, 90
dpi = [win32print.GetDeviceCaps(dc, i) for i in (LOGPIXELSX,
async import(req, res) {
var rd = readline.createInterface({
input: fs.createReadStream('.../file.csv'),
console: false
});
const createQuery = `INSERT INTO
table('columns')
VALUES ?`;
Community Discussions
Trending Discussions on node-rd
QUESTION
I have a typescript method that is trying to call a method, on()
, that takes in a callback method. I'd like to have myConnect()
wait until the callback method is executed. I assume this is a promise, but I'm not sure how to write this method so it waits until the callback is called.
ANSWER
Answered 2021-May-27 at 18:57You need to wrap on
function into a Promise.
QUESTION
I am trying to install node-rdkafka
using npm and seeing the below error
- OS: macOS Catalina 10.15.7
- node version: 10.16.3 tried (8.x, 12.x and 13.x) as well via
nvm
ANSWER
Answered 2020-Oct-01 at 08:44After trying various options online, I couldn't find the right solution. So, this is what I did and worked
Uninstalled
node
following the instructions hereIf you are using
Homebrew
, run
QUESTION
I am using node-rdkafka
to consume messages from kafka.
Consumer process exits if statistics.interval.ms
is set.
Here is the code:
...ANSWER
Answered 2020-Jul-13 at 16:45This is windows
related problem. Linux
works completely fine.
QUESTION
I am using node-rdkafka to connect to a Kafka instance hosted on a cloud vm. I have multiple consumers and each of them using the following Kafka config:
...ANSWER
Answered 2020-Jun-28 at 16:10For people facing this problem in future: Please set UV_THREADPOOL_SIZE to a value more than 4 as an environment variable in your node application.
Explaination:
Each node process will have at least UV_THREADPOOL_SIZE + v8_thread_pool_size + 1 threads running.
the current default for both UV_THREADPOOL_SIZE and v8_thread_pool_size is 4.
QUESTION
I'm running the below node-rdkafka code in Eclipse as Node.js application. This is the sample code from https://blizzard.github.io/node-rdkafka/current/tutorial-producer_.html
I want to run this in a test server and call from iOS Mobile application. I knew about running node.js app in AWS. Question I: Is there any other options to run in a free test server environment like Tomcat? Question II: Even If I am able to run this node.js app in a server, how do i call from a mobile application? Do I need to call producer.on('ready', function(arg) (or) What function i need to call from Mobile app?
...ANSWER
Answered 2018-Jan-02 at 19:27First of all, you need an HTTP server. ExpressJS can be used. Then, just tack on the Express code basically at the end, but move the producer loop into the request route.
So, start with what you had
QUESTION
I'm using node-rdkafka (https://github.com/Blizzard/node-rdkafka) to consume messages, the basic setup is working fine but it triggers the function every time I push something to the queue, irrespective of completion of previous method.
I want the next data unit to be triggered when the previous function is done.
here is my implementation
...ANSWER
Answered 2020-Jan-27 at 10:00You are calling consume()
(without any arguments) which returns messages as fast as possible.
If you want to control the consumption pace, you can use the other method consume(size)
, that returns size
Kafka records. For example consume(1)
will return the next Kafka record.
See the node-rdkafka Consumer docs.
QUESTION
I am using node-rdkafka library for one of my application. So I have one requirement to pass tenantId with header while producing messages. I checked the documentation but not getting what I required or may be I am missing something. So is there a way we can pass tenantid with headers while producing messages with node-rdkafka library?
...ANSWER
Answered 2019-Dec-13 at 10:55Support for message headers was added in node-rdkafka 2.7.
For example:
QUESTION
I have npm on my system and npm -v gives my 6.13.4 but using "npm install" command gives me and error which part of it can be seen below. Please advice.
...ANSWER
Answered 2019-Dec-11 at 21:54The problem is not with npm. It is with this package node-rdkafka@2.7.0 an your system's current node version.
The node-rdkafka
only supports node version <=10.
You are running 12.13.1
You can use either nvm(Node Version Manager) to install node 10 or try installing a compatible version of node-rdafka. The work is still in progress for 12.x functionality of node-rdafka
QUESTION
I am trying to connect to EvenHub's Kafka using the more popular kafka-node library, but unfortunately, I cannot get it to work. It all works fine if I use the node-rdkafka package, but this looks like is not maintained so much anymore. (I am using SASL_SSL with a connection string)
Do you know of any working examples or whether it works in at all?
Many thanks!
...ANSWER
Answered 2019-Dec-05 at 16:43Using Kafka-node to connect to Azure Event Hub is not possible, at the moment.
Kafka-node does not support SASL_SSL, which is required to connect to Event Hub.
There is an open issue to address this.
QUESTION
I am trying to use npm package kafka-streams but getting below error:
...ANSWER
Answered 2019-Jul-27 at 14:52Looks like its looking for a visual studio version to compile C++. Error: Could not find any Visual Studio installation to use
it suggests you go here: https://github.com/nodejs/node-gyp#on-windows
This is the step you're missing:
- Install Visual C++ Build Environment: Visual Studio Build Tools (using "Visual C++ build tools" workload) or Visual Studio 2017 Community (using the "Desktop development with C++" workload)
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